3D printer



FIG. 1 is a perspective view of a three dimensional printer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a partial enlarged view of portion A shown in FIG. 1; and,

FIG. 9 is a partial enlarged view of portion B shown in FIG. 5.

The broken lines depict portions of the 3D printer that form no part of the claimed design. 

CLAIM The ornamental design for a 3D printer, as shown and described. 